Edgar Koberstein
53Patents
22h-index
38Co-inventors
88Inventor score
Filing activity: Sep 20, 1973 → Aug 13, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5157007A | Catalyst for purification of exhaust gases of diesel engines and method of use | Emerging Cross-Sectional Technologies | 112 | Expired |
| US4515758A | Process and catalyst for the reduction of the ignition temperature of diesel soot filtered out of the exhaust gas of diesel engines | Emerging Cross-Sectional Technologies | 81 | Expired |
| US4963332A | Method for the catalytic removal of nitrogen oxides from exhaust gases by means of a reducing agent | Emerging Cross-Sectional Technologies | 74 | Expired |
| US5120695A | Catalyst for purifying exhaust gases from internal combustion engines and gas turbines operated at above the stoichiometric ratio | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4294726A | Catalyst for the purification of exhaust gases of internal combustion engines | Emerging Cross-Sectional Technologies | 67 | Expired |
| US4814146A | Device for the containment of monolithic catalysts | Performing Operations; Transporting | 61 | Expired |
| US4118199A | Monolithic carrier catalyst and arrangements of such a catalyst for the purification of exhaust gases from an internal combustion engine | Mechanical Engineering; Lighting; Heating | 58 | Expired |
| US4916107A | Catalyst for the selective reduction of nitrogen oxides with ammonia | Performing Operations; Transporting | 51 | Expired |
| US5116586A | Method for the reduction of nitrogen oxides from waste gases using a zeolite | Performing Operations; Transporting | 45 | Expired |
| US4900517A | Apparatus for the purification of exhaust gas from diesel motors | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4188309A | Shaped catalyst and process for its production | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4828807A | Method for the purification of exhaust gas from diesel motors | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5496788A | Coating dispersion for exhaust gas catalysts | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4318894A | Apparatus for the catalytic purification of exhaust gases | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5179059A | Catalyst for purifying the exhaust gases of internal combustion engines and method for making the catalyst | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5073532A | Catalyst for purifying exhaust gases from internal combustion engines and method of making the catalyst | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5198403A | Process for producing a catalyst for selective reduction of nitrous oxides with ammonia | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4477417A | Catalyst for reducing the ignition temperature of diesel soot | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US5958829A | Coating dispersion for exhaust gas catalysts | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4105590A | Catalysts and the process for their production | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4744967A | Process for the purification of exhaust gases containing oxides of nitrogen and sulfur | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5013705A | Platinum-free three-way catalyst | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4048098A | Catalyst for purification of exhaust gases and processes for its production and use | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4363753A | Mechanically stable screen cloth construction made of metal | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5001103A | Rhodium-free three-way catalyst | Emerging Cross-Sectional Technologies | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.